If you must exceed the recommended distances, use a high-quality twisted-pair cable
with one ground conductor for each data signal when applicable.
Electromagnetic Compatibility
If your site is susceptible to problems with electromagnetic compatibility (EMC),
particularly from lightning or radio transmitters, you might want to seek expert advice.
Strong sources of electromagnetic interference (EMI) can destroy the signal drivers and
receivers in the network device and conduct power surges over the lines into the
equipment, resulting in an electrical hazard. It is particularly important to provide a properly
grounded and shielded environment and to use electrical surge-suppression devices.
CAUTION:
To comply with intrabuilding lightning and surge requirements,
intrabuilding wiring must be shielded, and the shield for the wiring must be
grounded at both ends.
WARNING:
The intrabuilding port(s) of the equipment or subassembly is
suitable for connection to intrabuilding or unexposed wiring or cabling only.
The intrabuilding port(s) of the equipment or subassembly MUST NOT be
metallically connected to interfaces that connect to the OSP or its wiring.
These interfaces are designed for use as intrabuilding interfaces only (Type
2 or Type 4 ports as described in GR-1089-CORE, Issue 4) and require isolation
from the exposed OSP cabling. The addition of primary protectors is not
sufficient protection in order to connect these interfaces metallically to OSP
wiring.
Related
Documentation
General Electrical Safety Guidelines and Electrical Codes for Juniper Networks Devices
•
DC Power Electrical Safety Guidelines and Warnings
•
T4000 DC Power Electrical Safety Guidelines on page 320
•
DC Power Electrical Safety Warnings for Juniper Networks Devices on page 321
319
Copyright © 2013, Juniper Networks, Inc.
Appendix A: Router Safety and Regulatory Compliance Information
Содержание T4000 -
Страница 1: ...T4000 Core Router Hardware Guide Published 2013 08 28 Copyright 2013 Juniper Networks Inc ...
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Страница 389: ...PART 6 Index Index on page 367 365 Copyright 2013 Juniper Networks Inc ...
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